48539180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 106659840

約数和(自身を除く): 58120660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 991, 1580, 1982, 2449, 3964, 4898, 4955, 9796, 9910, 12245, 19820, 24490, 30721, 48980, 61442, 78289, 122884, 153605, 156578, 307210, 313156, 391445, 614420, 782890, 1565780, 2426959, 4853918, 9707836, 12134795, 24269590, 48539180]

約数ペア:

[(1, 48539180), (2, 24269590), (4, 12134795), (5, 9707836), (10, 4853918), (20, 2426959), (31, 1565780), (62, 782890), (79, 614420), (124, 391445), (155, 313156), (158, 307210), (310, 156578), (316, 153605), (395, 122884), (620, 78289), (790, 61442), (991, 48980), (1580, 30721), (1982, 24490), (2449, 19820), (3964, 12245), (4898, 9910), (4955, 9796)]